./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 20:39:48,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 20:39:48,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 20:39:48,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 20:39:48,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 20:39:48,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 20:39:48,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 20:39:48,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 20:39:48,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 20:39:48,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 20:39:48,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 20:39:48,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 20:39:48,495 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 20:39:48,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 20:39:48,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 20:39:48,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 20:39:48,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 20:39:48,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 20:39:48,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 20:39:48,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 20:39:48,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 20:39:48,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 20:39:48,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 20:39:48,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 20:39:48,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 20:39:48,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 20:39:48,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 20:39:48,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 20:39:48,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 20:39:48,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 20:39:48,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 20:39:48,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 20:39:48,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 20:39:48,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 20:39:48,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 20:39:48,505 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 20:39:48,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 20:39:48,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 20:39:48,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 20:39:48,507 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 20:39:48,507 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 20:39:48,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2024-09-08 20:39:48,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 20:39:48,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 20:39:48,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 20:39:48,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 20:39:48,790 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 20:39:48,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-09-08 20:39:50,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 20:39:50,413 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 20:39:50,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-09-08 20:39:50,421 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53f639f82/d6e740204591458bb99ee024df5e6793/FLAGd35b33efd [2024-09-08 20:39:50,432 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53f639f82/d6e740204591458bb99ee024df5e6793 [2024-09-08 20:39:50,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 20:39:50,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-08 20:39:50,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 20:39:50,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 20:39:50,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 20:39:50,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2639a5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50, skipping insertion in model container [2024-09-08 20:39:50,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 20:39:50,639 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2024-09-08 20:39:50,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 20:39:50,661 INFO L200 MainTranslator]: Completed pre-run [2024-09-08 20:39:50,691 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2024-09-08 20:39:50,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 20:39:50,720 INFO L204 MainTranslator]: Completed translation [2024-09-08 20:39:50,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50 WrapperNode [2024-09-08 20:39:50,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 20:39:50,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 20:39:50,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 20:39:50,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 20:39:50,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,771 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-09-08 20:39:50,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 20:39:50,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 20:39:50,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 20:39:50,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 20:39:50,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 20:39:50,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 20:39:50,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 20:39:50,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 20:39:50,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (1/1) ... [2024-09-08 20:39:50,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 20:39:50,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:50,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 20:39:50,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 20:39:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 20:39:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 20:39:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 20:39:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 20:39:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 20:39:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 20:39:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 20:39:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 20:39:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 20:39:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 20:39:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 20:39:50,896 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 20:39:50,993 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 20:39:50,995 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 20:39:51,260 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 20:39:51,260 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 20:39:51,486 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 20:39:51,487 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-08 20:39:51,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:39:51 BoogieIcfgContainer [2024-09-08 20:39:51,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 20:39:51,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 20:39:51,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 20:39:51,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 20:39:51,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:39:50" (1/3) ... [2024-09-08 20:39:51,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbfc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:39:51, skipping insertion in model container [2024-09-08 20:39:51,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:39:50" (2/3) ... [2024-09-08 20:39:51,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbfc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:39:51, skipping insertion in model container [2024-09-08 20:39:51,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:39:51" (3/3) ... [2024-09-08 20:39:51,498 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-09-08 20:39:51,514 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 20:39:51,515 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-08 20:39:51,515 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 20:39:51,586 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 20:39:51,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 20:39:51,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 20:39:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:51,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 20:39:51,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 20:39:51,670 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 20:39:51,686 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 20:39:51,695 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3709e9e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 20:39:51,699 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 20:39:52,061 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:39:52,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:39:52,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1653604356, now seen corresponding path program 1 times [2024-09-08 20:39:52,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:39:52,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013551576] [2024-09-08 20:39:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:52,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:39:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-08 20:39:52,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:39:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013551576] [2024-09-08 20:39:52,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013551576] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 20:39:52,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 20:39:52,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 20:39:52,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890275750] [2024-09-08 20:39:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 20:39:52,671 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 20:39:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:39:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 20:39:52,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 20:39:52,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:52,691 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:39:52,692 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:39:52,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:52,788 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 20:39:52,788 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:39:52,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:39:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash -656874439, now seen corresponding path program 1 times [2024-09-08 20:39:52,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:39:52,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417888869] [2024-09-08 20:39:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:52,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:39:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 20:39:53,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:39:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417888869] [2024-09-08 20:39:53,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417888869] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:39:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717396932] [2024-09-08 20:39:53,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:53,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:39:53,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 20:39:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:53,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 20:39:53,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:39:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-08 20:39:53,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:39:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-08 20:39:53,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717396932] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:39:53,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:39:53,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-09-08 20:39:53,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711153168] [2024-09-08 20:39:53,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:39:53,588 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-08 20:39:53,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:39:53,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-08 20:39:53,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-09-08 20:39:53,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:53,590 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:39:53,590 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 14 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:39:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:53,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 20:39:53,962 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-08 20:39:53,963 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:39:53,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:39:53,963 INFO L85 PathProgramCache]: Analyzing trace with hash 176981916, now seen corresponding path program 2 times [2024-09-08 20:39:53,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:39:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695148126] [2024-09-08 20:39:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:39:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 25 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:39:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:39:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695148126] [2024-09-08 20:39:54,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695148126] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:39:54,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525740173] [2024-09-08 20:39:54,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 20:39:54,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:54,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:39:54,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 20:39:54,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 20:39:54,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:39:54,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 20:39:54,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:39:54,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-09-08 20:39:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-09-08 20:39:54,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 20:39:54,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525740173] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 20:39:54,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 20:39:54,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-09-08 20:39:54,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699870815] [2024-09-08 20:39:54,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 20:39:54,734 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 20:39:54,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:39:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 20:39:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-09-08 20:39:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:54,735 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:39:54,736 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:39:54,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:54,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:54,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:55,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:39:55,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 20:39:55,706 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:55,707 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:39:55,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:39:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1421207449, now seen corresponding path program 3 times [2024-09-08 20:39:55,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:39:55,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013392409] [2024-09-08 20:39:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:39:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:39:56,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:39:56,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013392409] [2024-09-08 20:39:56,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013392409] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:39:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922918155] [2024-09-08 20:39:56,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 20:39:56,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:56,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:56,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:39:56,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 20:39:56,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-09-08 20:39:56,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:39:56,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 20:39:56,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:39:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-08 20:39:56,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 20:39:56,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922918155] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 20:39:56,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 20:39:56,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2024-09-08 20:39:56,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591882169] [2024-09-08 20:39:56,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 20:39:56,392 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 20:39:56,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:39:56,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 20:39:56,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-09-08 20:39:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:56,394 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:39:56,394 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:39:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:39:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:39:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:56,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-08 20:39:56,948 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:56,949 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:39:56,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:39:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1626288739, now seen corresponding path program 4 times [2024-09-08 20:39:56,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:39:56,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854748334] [2024-09-08 20:39:56,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:39:56,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:39:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:39:57,443 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:39:57,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:39:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854748334] [2024-09-08 20:39:57,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854748334] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:39:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503662965] [2024-09-08 20:39:57,444 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 20:39:57,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:39:57,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:39:57,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:39:57,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 20:39:57,552 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 20:39:57,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:39:57,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 20:39:57,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:39:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 20:39:57,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:39:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 20:39:58,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503662965] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:39:58,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:39:58,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 9] total 34 [2024-09-08 20:39:58,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929265958] [2024-09-08 20:39:58,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:39:58,034 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-08 20:39:58,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:39:58,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-08 20:39:58,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=968, Unknown=0, NotChecked=0, Total=1122 [2024-09-08 20:39:58,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:39:58,036 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:39:58,036 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.147058823529412) internal successors, (175), 34 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:39:58,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:39:58,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:58,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:39:58,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:39:58,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:00,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:01,119 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:01,120 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:01,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash -903448220, now seen corresponding path program 5 times [2024-09-08 20:40:01,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:01,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336350448] [2024-09-08 20:40:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:01,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:40:01,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:01,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336350448] [2024-09-08 20:40:01,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336350448] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:01,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592258078] [2024-09-08 20:40:01,718 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 20:40:01,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:01,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:01,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:01,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 20:40:01,947 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-09-08 20:40:01,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:40:01,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-08 20:40:01,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-08 20:40:02,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-08 20:40:02,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592258078] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:02,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:02,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10, 10] total 39 [2024-09-08 20:40:02,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173959678] [2024-09-08 20:40:02,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:02,445 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-08 20:40:02,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:02,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-08 20:40:02,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1343, Unknown=0, NotChecked=0, Total=1560 [2024-09-08 20:40:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:02,447 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:02,448 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.5) internal successors, (180), 39 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:02,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:03,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:03,343 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:03,344 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:03,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:03,345 INFO L85 PathProgramCache]: Analyzing trace with hash -82119801, now seen corresponding path program 6 times [2024-09-08 20:40:03,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:03,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060908977] [2024-09-08 20:40:03,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 63 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:40:03,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:03,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060908977] [2024-09-08 20:40:03,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060908977] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:03,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334190695] [2024-09-08 20:40:03,672 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 20:40:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:03,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:03,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 20:40:03,866 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-09-08 20:40:03,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:40:03,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 20:40:03,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 105 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:40:04,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 84 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:40:04,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334190695] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:04,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:04,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-09-08 20:40:04,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669719550] [2024-09-08 20:40:04,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:04,280 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 20:40:04,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:04,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 20:40:04,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2024-09-08 20:40:04,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:04,282 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:04,282 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.0) internal successors, (145), 28 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:04,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:04,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:04,952 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-08 20:40:04,952 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:04,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:04,953 INFO L85 PathProgramCache]: Analyzing trace with hash -390742588, now seen corresponding path program 7 times [2024-09-08 20:40:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857936669] [2024-09-08 20:40:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-08 20:40:05,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:05,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857936669] [2024-09-08 20:40:05,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857936669] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:05,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244007211] [2024-09-08 20:40:05,613 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 20:40:05,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:05,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:05,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:05,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 20:40:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:05,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 20:40:05,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:05,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-09-08 20:40:05,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-09-08 20:40:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-08 20:40:05,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-08 20:40:06,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244007211] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:06,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:06,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 19 [2024-09-08 20:40:06,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258187928] [2024-09-08 20:40:06,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:06,716 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-08 20:40:06,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:06,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-08 20:40:06,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-09-08 20:40:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:06,717 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:06,717 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.684210526315789) internal successors, (127), 19 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:06,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:06,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:09,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 20:40:09,783 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:09,784 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:09,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2033446550, now seen corresponding path program 8 times [2024-09-08 20:40:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:09,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435410444] [2024-09-08 20:40:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 20:40:10,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:10,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435410444] [2024-09-08 20:40:10,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435410444] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:10,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671125895] [2024-09-08 20:40:10,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 20:40:10,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:10,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:10,463 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:10,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 20:40:10,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 20:40:10,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:40:10,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 20:40:10,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-08 20:40:10,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-08 20:40:11,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671125895] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:11,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 14] total 47 [2024-09-08 20:40:11,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575362135] [2024-09-08 20:40:11,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:11,286 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-08 20:40:11,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:11,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-08 20:40:11,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1882, Unknown=0, NotChecked=0, Total=2256 [2024-09-08 20:40:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:11,288 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:11,289 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.520833333333333) internal successors, (217), 47 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:11,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:11,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:40:12,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:12,556 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:12,557 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:12,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:12,557 INFO L85 PathProgramCache]: Analyzing trace with hash -698183091, now seen corresponding path program 9 times [2024-09-08 20:40:12,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:12,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113918411] [2024-09-08 20:40:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:12,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 26 proven. 154 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 20:40:12,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113918411] [2024-09-08 20:40:12,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113918411] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972286361] [2024-09-08 20:40:12,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 20:40:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:12,954 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:12,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 20:40:13,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-08 20:40:13,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:40:13,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 20:40:13,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 89 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 20:40:13,538 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 20:40:13,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972286361] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:13,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:13,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-09-08 20:40:13,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503492109] [2024-09-08 20:40:13,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:13,813 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-08 20:40:13,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:13,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-08 20:40:13,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=831, Unknown=0, NotChecked=0, Total=1122 [2024-09-08 20:40:13,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:13,814 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:13,815 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.529411764705882) internal successors, (154), 33 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:13,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:13,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:13,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:40:13,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:40:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 20:40:17,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:17,558 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 20:40:17,559 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:17,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:17,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1112325472, now seen corresponding path program 10 times [2024-09-08 20:40:17,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:17,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025124509] [2024-09-08 20:40:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:17,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 203 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 20:40:18,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:18,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025124509] [2024-09-08 20:40:18,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025124509] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:18,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890388807] [2024-09-08 20:40:18,978 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 20:40:18,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:18,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:18,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:18,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 20:40:19,098 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 20:40:19,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:40:19,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-08 20:40:19,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:40:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 42 proven. 436 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 20:40:20,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:40:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 42 proven. 32 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-09-08 20:40:20,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890388807] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:40:20,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:40:20,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 27, 6] total 71 [2024-09-08 20:40:20,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107173157] [2024-09-08 20:40:20,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:40:20,235 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-09-08 20:40:20,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:40:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-09-08 20:40:20,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=4545, Unknown=0, NotChecked=0, Total=4970 [2024-09-08 20:40:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:20,239 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:40:20,239 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.816901408450704) internal successors, (271), 71 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:40:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 20:40:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:40:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:40:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 20:40:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-09-08 20:40:55,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-08 20:40:55,710 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:55,711 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 20:40:55,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 20:40:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash 489422511, now seen corresponding path program 11 times [2024-09-08 20:40:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 20:40:55,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186521468] [2024-09-08 20:40:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 20:40:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 20:40:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 20:40:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 284 proven. 621 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-09-08 20:40:56,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 20:40:56,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186521468] [2024-09-08 20:40:56,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186521468] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 20:40:56,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919715888] [2024-09-08 20:40:56,573 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 20:40:56,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 20:40:56,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 20:40:56,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 20:40:56,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 20:41:03,867 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-09-08 20:41:03,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 20:41:03,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-08 20:41:03,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 20:41:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 1269 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 20:41:04,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 20:41:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 1269 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 20:41:05,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919715888] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 20:41:05,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 20:41:05,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 30, 30] total 75 [2024-09-08 20:41:05,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395586754] [2024-09-08 20:41:05,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 20:41:05,416 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-09-08 20:41:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 20:41:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-09-08 20:41:05,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=4303, Unknown=0, NotChecked=0, Total=5700 [2024-09-08 20:41:05,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 20:41:05,419 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 20:41:05,419 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.7368421052631575) internal successors, (436), 75 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-09-08 20:41:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.